John Vrana
26Patents
11h-index
13Co-inventors
68Inventor score
Filing activity: Mar 16, 1993 → May 25, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7112025B2 | Self-attaching nut | Mechanical Engineering; Lighting; Heating | 51 | Expired |
| US6994500B2 | Self-attaching nut | Performing Operations; Transporting | 44 | Expired |
| US6925698B2 | Method of feeding and installing self-attaching nuts | Emerging Cross-Sectional Technologies | 25 | Expired |
| US6631827B2 | Fastener feed and installation head | Emerging Cross-Sectional Technologies | 22 | Expired |
| US7427180B2 | Self-attaching fastener systems | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US6997659B2 | Self-attaching fastener | Emerging Cross-Sectional Technologies | 15 | Expired |
| US8142125B2 | Self-attaching female fastener | Mechanical Engineering; Lighting; Heating | 12 | Active |
| US6406237B1 | Method of attaching a fastener element to a panel and fastener element and panel assembly | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7112024B2 | Self-attaching nut | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7237996B2 | Nut feed system and nut | Performing Operations; Transporting | 11 | Expired |
| US6442830B1 | Fastener installation assembly | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7597515B2 | Self-attaching nut | Emerging Cross-Sectional Technologies | 9 | Active |
| US7066700B2 | Self-attaching fastener and method of attachment | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US7367893B2 | Fastener manufacturing apparatus and method | Performing Operations; Transporting | 7 | Expired |
| US7419344B2 | Self-attaching nut | Emerging Cross-Sectional Technologies | 4 | Active |
| US6993831B2 | Fastener installation apparatus | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6820327B2 | Fastener installation apparatus | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7165312B2 | Method of attaching a locator stud on a panel | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6912776B2 | Pierce nut installation apparatus | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7704151B2 | Self-attaching female fasteners, method of forming same and strip of interconnected fasteners | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US7011584B2 | Self-attaching female fasteners and method of forming female fastener elements | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US7744475B2 | Fastener manufacturing apparatus and method | Performing Operations; Transporting | 2 | Active |
| US7258518B2 | Self-attaching nut | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7152297B2 | Self-attaching female fastener, die set and method of attachment | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5338056A | Reinforced hollow upper control arm for vehicle suspension system | Performing Operations; Transporting | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.